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Finding the Fourth Proportional to 40,534.08, 60,801.12 and 12,454.08

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Solution

The fourth proportional to 40,534.08, 60,801.12 and 12,454.08 is: 18,681.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,534.08 : 60,801.12 = 12,454.08 : x
  2. Step 2: Convert to fraction form
    40,534.08/60,801.12 = 12,454.08/x
  3. Step 3: Cross multiply
    40,534.08x = 60,801.12 × 12,454.08
  4. Step 4: Simplify right side
    40,534.08x = 757,222,012.57
  5. Step 5: Solve for x
    x = 757,222,012.57/40,534.08
  6. Step 6: Final answer
    x = 18,681.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.